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GEOCACHE SITE READ ME, Log card, Pencil, smooth stone. Please
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Ozone (O3) is a triatomic molecule, consisting of three
oxygen atoms. It is an allotrope of oxygen that is much less stable
than the diatomic O2. Ground-level ozone is an air pollutant with
harmful effects on the respiratory systems of animals. Ozone in the
upper atmosphere filters potentially damaging ultraviolet light
from reaching the Earth's surface. It is present in low
concentrations throughout the Earth's atmosphere. It has many
industrial and consumer applications. Ozone therapy is a
controversial alternative medicine practice; mainstream scientific
medicine has found ozone to be harmful to humans,[1] and equipment
intended to be used for ozone therapy is banned in the United
States.[2] Ozone, the first allotrope of a chemical element to be
described by science, was discovered by Christian Friedrich
Schönbein in 1840, who named it after the Greek word for smell
(ozein), from the peculiar odor in lightning storms.[3] The odor
from a lightning strike is from ions produced during the rapid
chemical changes, not from the ozone itself.[4]
For more info see http://en.wikipedia.org/wiki/Ozone
